Base | Representation |
---|---|
bin | 10001001100101… |
… | …00100000101101 |
3 | 101001110022220222 |
4 | 20212110200231 |
5 | 243412410323 |
6 | 22152021125 |
7 | 3401134313 |
oct | 1046244055 |
9 | 331408828 |
10 | 144263213 |
11 | 744840a6 |
12 | 403917a5 |
13 | 23b70963 |
14 | 152340b3 |
15 | c9e99c8 |
hex | 899482d |
144263213 has 8 divisors (see below), whose sum is σ = 146488608. Its totient is φ = 142049584.
The previous prime is 144263209. The next prime is 144263239. The reversal of 144263213 is 312362441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144263213 - 22 = 144263209 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144263263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23570 + ... + 29052.
It is an arithmetic number, because the mean of its divisors is an integer number (18311076).
Almost surely, 2144263213 is an apocalyptic number.
It is an amenable number.
144263213 is a deficient number, since it is larger than the sum of its proper divisors (2225395).
144263213 is an equidigital number, since it uses as much as digits as its factorization.
144263213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5883.
The product of its digits is 3456, while the sum is 26.
The square root of 144263213 is about 12010.9622012560. The cubic root of 144263213 is about 524.4674424228.
The spelling of 144263213 in words is "one hundred forty-four million, two hundred sixty-three thousand, two hundred thirteen".
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